First, it is advisable to use casserole, enamel ware and stainless steel as decocting containers, and it is forbidden to use iron.

Two, Chinese medicine should be soaked in cold water for about 20 minutes before frying. Generally, the water consumption for decocting is1-3cm after soaking. The water consumption can be appropriately increased by large dosage and drugs with loose foam and easy water absorption.

Three, decocting time should be based on the nature of the drug, the general drug is 30 minutes. Exterior-relieving drugs, antipyretic drugs and aromatic drugs should not be decocted for a long time, but decocted after boiling 15-20 minutes. After the tonic is boiled with strong fire, it is slowly decocted with slow fire for 40-60 minutes. Stir the ingredients 2-3 times when decocting. Each dose of traditional Chinese medicine is generally decocted twice, and the second decoction time can be slightly shorter.

Fourth, the amount of decoction: 50- 100 ml per dose for children. Adult dose150-200ml.

Five, special medicine decoction method:

1, "decoct medicine first": boil 10- 15 minutes, then add other medicines and decoct together.

2. "Post-medication": When the general medicine is about to be decocted to a predetermined amount, put it into the same decoction for 5 minutes.

3. "Dissolving medicine": other medicines should be decocted to a predetermined dosage, and the medicine juice should be decocted with low fire and continuously stirred to dissolve.

4. "Take the medicine": Take the medicine in the decocted juice or boiled water.

5, other special drugs according to the doctor's advice.